FreeBSD port after STLport update to 5.1.4

Hi,
I needed these extra patches to overcome some compilation problems with STPport updated to 5.1.4 on FreeBSD 6.2:

http://logout.sh.cvut.cz/~wilx/opencascade/patch-opencascade-LDOM_OSStre...
http://logout.sh.cvut.cz/~wilx/opencascade/patch-opencascade-OSD_Environ...
http://logout.sh.cvut.cz/~wilx/opencascade/patch-opencascade-Standard_MM...
http://logout.sh.cvut.cz/~wilx/opencascade/patch-opencascade-Standard_SS...